<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>文件上传模块 - layui</title>

    <link rel="stylesheet" href="../src/css/layui.css">

    <style>
        body {
            padding: 50px 100px;
        }

        .layui-upload-img {
            width: 92px;
            height: 92px;
            margin: 0 10px 10px 0;
        }

        hr {
            margin: 30px 0;
        }
    </style>
</head>
<body>

<div class="layui-upload">
    <button type="button" class="layui-btn" id="test1">上传图片</button>

    <div class="layui-upload-list">
        <img class="layui-upload-img" src="" id="demo1">
        <p id="demoText"></p>
    </div>
</div>

<hr>

<div class="layui-upload">
    <button type="button" class="layui-btn" id="test2">多图片上传</button>
    <div class="layui-upload-list" id="demo2"></div>
</div>

<hr>

<div class="layui-upload">
    <button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
    <div class="layui-upload-list">
        <table class="layui-table">
            <thead>
            <th>文件名</th>
            <th>大小</th>
            <th>状态</th>
            <th>操作</th>
            </thead>
            <tbody id="demoList"></tbody>
        </table>
    </div>
    <button type="button" class="layui-btn" id="testListAction">开始上传</button>
</div>

<hr>

<button type="button" class="layui-btn test333" lay-data="{size:10,url:'a'}" id="test3"><i
        class="layui-icon">&#xe67c;</i>上传文件
</button>
<button type="button" class="layui-btn layui-btn-primary test333" lay-data="{size:20,url:'b'}" id="test33"><i
        class="layui-icon">&#xe67c;</i>换个样式
</button>

<button type="button" class="layui-btn" id="test4"><i class="layui-icon">&#xe67c;</i>上传视频</button>
<button type="button" class="layui-btn" id="test5"><i class="layui-icon">&#xe67c;</i>上传音频</button>

<hr>

<button class="layui-btn testm" lay-data="{url: '/a/'}">参数设在元素上</button>
<button class="layui-btn testm" lay-data="{url: '/b/', accept: 'file',size:5}">参数设在元素上</button>

<hr>

<div class="layui-upload">
    <button type="button" class="layui-btn layui-btn-normal" id="test6">选择文件</button>
    <button type="button" class="layui-btn" id="test7">开始上传</button>
</div>

<hr>
<br>

<div class="layui-upload-drag" id="test9">
    <i class="layui-icon">&#xe67c;</i>
    <p>点击上传，或将文件拖拽到此处</p>
</div>

<hr>
<br>

绑定原始文件域：<input type="file" name="file" id="test8">

<script src="../src/layui.js"></script>
<script>
    layui.use('upload', function () {
        var $ = layui.jquery
            , upload = layui.upload;

        var uploadInst = upload.render({
            elem: '#test1'
            , url: 'http://httpbin.org/image'
            , size: 2000 //限制文件大小，单位 KB
            //,accept: 'file'
            , method: 'get'
            , fileAccept: 'image/*'
            , exts: "jpg|png|gif|bmp|jpeg|pdf"
            , data: { //额外参数
                a: 1
                , b: function () {
                    return 2
                }
            }
            , choose: function () {
                console.log(1)
            }
            , before: function (obj) {
                //预读本地文件示例，不支持ie8
                obj.preview(function (index, file, result) {
                    $('#demo1').attr('src', result); //图片链接（base64）
                });
            }
            , done: function (res) {
                //如果上传失败
                if (res.code > 0) {
                    return layer.msg('上传失败');
                }
                //上传成功
            }
            , error: function () {
                //演示失败状态，并实现重传
                var demoText = $('#demoText');
                demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-mini demo-reload">重试</a>');
                demoText.find('.demo-reload').on('click', function () {
                    uploadInst.upload();
                });
            }
        });

        upload.render({
            elem: '#test2'
            , url: ''
            , multiple: true
            , number: 3
            , size: 1024
            , before: function (obj) {
                //预读本地文件示例，不支持ie8
                obj.preview(function (index, file, result) {
                    $('#demo2').append('<img src="' + result + '" alt="' + file.name + '" class="layui-upload-img">')
                });
            }
            , done: function (res) {
                //上传完毕
            }
            , allDone: function (obj) {
                console.log(obj)
            }
        });

        //演示多文件列表
        var demoListView = $('#demoList');
        var uploadListIns = upload.render({
            elem: '#testList'
            , url: ''
            , accept: 'file'
            , multiple: true
            , number: 3
            , auto: false
            , bindAction: '#testListAction'
            , choose: function (obj) {
                var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列

                //读取本地文件
                obj.preview(function (index, file, result) {
                    var tr = $(['<tr id="upload-' + index + '">'
                        , '<td>' + file.name + '</td>'
                        , '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>'
                        , '<td>等待上传</td>'
                        , '<td>'
                        , '<button class="layui-btn layui-btn-mini demo-reload layui-hide">重传</button>'
                        , '<button class="layui-btn layui-btn-mini layui-btn-danger demo-delete">删除</button>'
                        , '</td>'
                        , '</tr>'].join(''));

                    //单个重传
                    tr.find('.demo-reload').on('click', function () {
                        obj.upload(index, file);
                    });

                    //删除
                    tr.find('.demo-delete').on('click', function () {
                        delete files[index]; //删除对应的文件
                        tr.remove();
                        uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                    });

                    demoListView.append(tr);
                });
            }
            , done: function (res, index, upload) {
                if (res.code == 0) { //上传成功
                    var tr = demoListView.find('tr#upload-' + index)
                        , tds = tr.children();
                    tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                    tds.eq(3).html(''); //清空操作
                    delete this.files[index]; //删除文件队列已经上传成功的文件
                    return;
                }
                this.error(index, upload);
            }
            , allDone: function (obj) {
                console.log(obj)
            }
            , error: function (index, upload) {
                var tr = demoListView.find('tr#upload-' + index)
                    , tds = tr.children();
                tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
            }
        });


        upload.render({
            elem: '.test333'
            , url: 'a'
            , accept: 'file'
            , before: function (obj) {
                console.log(this.item);
            }
            , done: function (res) {
                console.log(res)
            }
        });

        upload.render({
            elem: '.testm'
            , done: function (res, index, upload) {
                //获取当前触发上传的元素，一般用于 elem 绑定 class 的情况，注意：此乃 layui 2.1.0 新增
                var item = this.item;
            }
        })

        /*
        upload.render({
          elem: '#test33'
          ,url: ''
          ,accept: 'file'
          ,done: function(res){
            console.log(res)
          }
        });*/

        upload.render({
            elem: '#test4'
            , url: ''
            , accept: 'video'
            , done: function (res) {
                console.log(res)
            }
        });

        upload.render({
            elem: '#test5'
            , url: ''
            , accept: 'audio'
            , done: function (res) {
                console.log(res)
            }
        });


        //手动上传
        upload.render({
            elem: '#test6'
            , url: ''
            , auto: false
            //,multiple: true
            , bindAction: '#test7'
            , choose: function (obj) {
                var that = this;
                obj.preview(function (index, file) {
                    obj.resetFile(index, file, '123.jpg');
                });
            }
            , before: function () {
                console.log(345);
            }
            , done: function (res) {
                console.log(res);
            }
        });

        upload.render({
            elem: '#test8'
            , url: ''
            , done: function (res) {
                console.log(res);
            }
        });

        upload.render({
            elem: '#test9'
            , url: ''
            , done: function (res) {
                console.log(res);
            }
        });

    });
</script>
</body>
</html>
